MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73a362f5fb3b1512dd913f9f5fffe0e3968d10ee6e5c243bd76ecbc5cd20e45c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



GuLoader


Vendor detections: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 73a362f5fb3b1512dd913f9f5fffe0e3968d10ee6e5c243bd76ecbc5cd20e45c
SHA3-384 hash: af132b8f3bbaf7c4a1ee7e3eefc2b81e3286e0240d9fde8f51426320b67f4f7383749f45a8d73a50fa1a9342f2ad0314
SHA1 hash: c2a71e71e07314f75d4ffbfc0778bd4a277dac6d
MD5 hash: b4d1b6434380a5479afea71fd73a9d74
humanhash: magnesium-freddie-six-twelve
File name:Equati178.vbs
Download: download sample
Signature GuLoader
File size:18'442 bytes
First seen:2023-10-11 19:10:24 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:d3tHS5keeAxrwL/YZ6/JYgL0k99CEbf1dd1mn3F2Q1zIdpVyD:hFSVeq2OvKRdURIdpy
Threatray 810 similar samples on MalwareBazaar
TLSH T19B824CB1CB5E160A4FAA27CE9C46885D8A7C8525703F4018BFAD03ED23065BCD7ADE5D
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
92
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes)
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1324055 Sample: Equati178.vbs Startdate: 11/10/2023 Architecture: WINDOWS Score: 100 24 novasolo.com 2->24 26 mail.novasolo.com 2->26 28 3 other IPs or domains 2->28 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Yara detected GuLoader 2->40 42 Yara detected AgentTesla 2->42 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 52 VBScript performs obfuscated calls to suspicious functions 9->52 54 Suspicious powershell command line found 9->54 56 Wscript starts Powershell (via cmd or directly) 9->56 58 3 other signatures 9->58 12 powershell.exe 16 9->12         started        process6 signatures7 60 Suspicious powershell command line found 12->60 62 Very long command line found 12->62 15 powershell.exe 20 12->15         started        18 conhost.exe 12->18         started        process8 signatures9 64 Writes to foreign memory regions 15->64 66 Maps a DLL or memory area into another process 15->66 68 Found suspicious powershell code related to unpacking or dynamic code loading 15->68 20 CasPol.exe 10 15->20         started        process10 dnsIp11 30 novasolo.com 144.208.75.106, 49759, 587 INMOTI-1US United States 20->30 32 googlehosted.l.googleusercontent.com 142.250.68.33, 443, 49747, 49749 GOOGLEUS United States 20->32 34 142.250.68.78, 443, 49756 GOOGLEUS United States 20->34 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->46 48 Tries to steal Mail credentials (via file / registry access) 20->48 50 Tries to harvest and steal browser information (history, passwords, etc) 20->50 signatures12
Threat name:
Win32.Dropper.Generic
Status:
Suspicious
First seen:
2023-10-10 15:35:07 UTC
File Type:
Text (VBS)
AV detection:
4 of 38 (10.53%)
Threat level:
  3/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Guloader,Cloudeye
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

GuLoader

Visual Basic Script (vbs) vbs 73a362f5fb3b1512dd913f9f5fffe0e3968d10ee6e5c243bd76ecbc5cd20e45c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments